GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 145

GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 145

1441). Consider the following statements :
I. Kwashiorker is a protein deficiency disease. 

II. Kwashiorker is an iron deficiency disease. 

III. Kwashiorker is a nutritional deficiency disease. 

Now select the correct answer.
A). (I) and (II) are correct
B). (I) and (III) are correct
C). (I) and (III) are correct
D). All the three are correct

Answer: (I) and (III) are correct


   
1442). Ketone bodies appear in the urine due to diabetes mellitus during _________
A). Ketosis
B). Albuminuria
C). Creatinuria
D). Myoglobinuria

Answer: Ketosis


   
1443). Consider the following statements :
Assertion (A) : Insulin lowers the blood glucose concentration.
Reason (R) : Lowered blood glucose concentration stimulates secretion of glucagon.
Now select your answer according to the coding scheme given below :
A). Both (A) and (R) are true and (R) is the correct explanation of (A)
B). Both (A) and (R) are true and (R) is not the correct explanation of (A)
C). (A) is true, but (R) is false
D). (A) is false, but (R) is true

Answer: Both (A) and (R) are true and (R) is the correct explanation of (A)


   
1444). Bacteria differ from viruses in being sensitive to ________
A). Sugars
B). Proteins
C). Tetracycline
D). Fats and oils

Answer: Tetracycline


   
1445). In the digestion of carbohydrates, the following sugars are converted to their simpler forms.
I. Starch + Maltese + Isomaltose
II. MoltosedGlucose
III. Lactose Maltose
IV. Sucrose Glucose + Fructose
Which one is/are correct?
A). (I)alone
B). (II) and (III)
C). (II),(III) and (IV)
D). (I),(II) and (IV)

Answer: (I),(II) and (IV)

1446). Arrange the sequences of mitosis in a logic way.
I. Centromeres of chromosomes attach to the spindle fibre.
II. Chromatids uncoil and cytokinesis occur.
III. Asters and spindle fibres are formed.
IV. Centromeres split into two, daughters centromeres move apart.
A). III, IV, I, II
B). II,IV, III, I
C). II, III, IV, I
D). III, I, IV, II

Answer: III, I, IV, II


   
1447). Inhibition of gastric secretion is brought about by ______
A). Pancreozymin
B). Gastrin
C). Enterogastrone
D). Cholecytokinin

Answer: Enterogastrone


   
1448). Which of the following statements about respiration is true?
I. Respiration results in loss of dry weight in plants.
II. The intermediate chemical reactions in the 'breakdown of sugar in respiration and synthesis of sugar in photosynthesis are much the same.
III.The oxygen concentration is not known to affect respiration.
IV. Respiration is a constructive process.
A). (I), (II) and (IV)
B). (II) and (IV)
C). (I) and (II) only
D). (I) and (III)

Answer: (I) and (II) only


   
1449). Which among the following genetic codons codes as the stop codes as the stop codon during translation?
I. UGC II. UAA III. UAG IV. UGA
A). I, II, III
B). I, II, IV
C). II,I, III
D). II. III. IV

Answer: II. III. IV


   
1450). Match the type of respiration in insects in Column I with Column II.
Column - I                            Column - II
a) Holopneustic        1) Spiracles are replaced by gills
b) Metapneustic        2) Only the prothoracic spiracles are open
c) Propneustic          3) All the spiracles are open
d) Branchipneustic    4) Prothoracic and posterior abdominal spiracles are open
e) Amphineustic        5) Only last pair oi spiracles are open

Below codes are given in A B C D E order
A). 2 1 4 3 5
B). 3 5 2 1 4
C). 5 1 2 4 3
D). 4 2 5 3 1

Answer: 3 5 2 1 4